The story is inspired from a real life incident in 1987 when a group posing as CBI raided a jewellery showroom in Mumbai and robbed money from there.

All the events happening in this movie happens in the period of 1986-1987 . The film begins with Pallavaram Paranjothi Pandian (RJ Balaji) attending an interview for a clerk’s post and getting rejected due to lack of money for giving bribe to the officials. Now the story shifts to Nachinarkkniyan (Suriya) attending CBI interviews and his friend (Kalaiyarasan) attending Police interviews. Both getting Rejected due to lack of bribe money for the post. We are shown Iniyan’s father Porchelvan (Thambi Ramaiah) working as a clerk in the CBI office. However he wants his son to be a officer, hence he pleads for the posting for his son to his higher officials.